Khemissa, Mohamed, 		Mahamedi, Abdelkrim, AND 		Mekki, Lakhdar.
" Problematic soil mechanics in the Algerian arid and semi-arid regions: Case of M’sila expansive clays" <em>Journal of Applied Engineering Science &amp; Technology</em> [Online], Volume 1 Number 2 (28 February 2015)